NICOL, A. V.; Y. S. N., J.; COLBRAN, R. Pure squamous cell carcinoma of the gallbladder in a patient with perforated calculus cholecystitis. International Surgery Journal, [S. l.], v. 9, n. 2, p. 476–479, 2022. DOI: 10.18203/2349-2902.isj20220345. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/8453. Acesso em: 20 feb. 2026.